Exit light bulb



FIG. 1 is a plan view of the exit light bulb of the present invention; FIG. 2 is a side plan view of the exit light bulb of FIG. 1; FIG. 3 is an end view showing the screw shell end of the exit light bulb of FIG. 1., as seen from the top of FIG. 1; and, FIG. 4 is an end view of the exit light bulb of FIG. 1, as seen from the bottom of FIG. 1. 

The ornamental design for an exit light bulb, as shown and described. 